Have 21 Zerg units morphing simultaneously in an Unranked or Ranked game.
Kill 750 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.
Destroy 30 units with Infested Terrans in an Unranked or Ranked game.
Kill 50 supply worth of units within 15 seconds in a Melee game.
Cancel construction of a structure that is being destroyed by an opponent in a Melee game.